Hobby Knife Set for Hobbyists & Model Building. This is a new 7 piece hobby knife set. Used for hobbyists and model building. Comes with 1 knife handle and 6 assorted blades. The knife handle measures approximately 5 1/16" (129 mm) We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.